ridebike.org

On this site:

• The SFR Adventure Series, a series of challenging brevets (timed long-distance cycling events) organized by the San Francisco Randonneurs.
• A set of San Francisco Bay Area permanents (long-distance cycling routes that you can ride any time) devised by Max Poletto and sanctioned by Randonneurs USA.
• Tips and routes for cycling to school in San Francisco. For now, limited to French American International School and schools in the Sunset District.

Some useful Bay Area cycling links:

• San Francisco Bicycle Coalition: advocacy for every-day cycling.
• SF2G: SF Peninsula bicycle commuting.
• San Francisco Randonneurs: long-distance rides and a supportive cycling community.